Bird feeder



FIG. 1 is a front elevational view thereof;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a side elevational view taken from the left side thereof;

FIG. 4 is a side elevational view taken from the right side thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a top perspective view thereof. 

The ornamental design for a bird feeder, as shown. 